Lincoln Electric LN-25 PRO DUAL POWER Operator's Manual
  1. Manuals
  2. Brands
  3. Lincoln Electric Manuals
  4. Welding System
  5. RED-D-ARC LN-25 PRO EXTREME
  6. Operator's manual
Lincoln Electric LN-25 PRO DUAL POWER Operator's Manual

Lincoln Electric LN-25 PRO DUAL POWER Operator's Manual

Hide thumbs Also See for LN-25 PRO DUAL POWER:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Service Manual
RETURN TO MAIN MENU
IM991-B
™
LN-25 PRO DUAL POWER
September, 2010
For use with machines having Code Number: 11534, 11617, 11720, 11726
Safety Depends on You
Lincoln arc welding and cutting
equipment is designed and built
with safety in mind. However, your
overall safety can be increased by
proper installation ... and thoughtful
operation on your part. DO NOT
INSTALL, OPERATE OR REPAIR
THIS EQUIPMENT WITHOUT
READING THIS MANUAL AND
THE SAFETY PRECAUTIONS
CONTAINED THROUGHOUT.
And, most importantly, think before
you act and be careful.
IP23
IEC 60974-5
OPERATORʼS MANUAL
Copyright © Lincoln Global Inc.
• World's Leader in Welding and Cutting Products •
• Sales and Service through Subsidiaries and Distributors Worldwide •
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com

Advertisement

Table of Contents
loading

Related Manuals for Lincoln Electric LN-25 PRO DUAL POWER

Summary of Contents for Lincoln Electric LN-25 PRO DUAL POWER

  • Page 1 RETURN TO MAIN MENU IM991-B ™ LN-25 PRO DUAL POWER September, 2010 For use with machines having Code Number: 11534, 11617, 11720, 11726 Safety Depends on You Lincoln arc welding and cutting equipment is designed and built with safety in mind. However, your overall safety can be increased by proper installation ...
  • Page 2 351040, Miami, Florida 33135 or CSA Standard W117.2-1974. A Free copy of “Arc Welding Safety” booklet E205 is available from the Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199. BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR PROCEDURES ARE PERFORMED ONLY BY QUALIFIED INDIVIDUALS.

  • Page 3: Electric Shock Can Kill

    SAFETY ARC RAYS can burn. ELECTRIC SHOCK can 4.a. Use a shield with the proper filter and cover kill. plates to protect your eyes from sparks and 3.a. The electrode and work (or ground) circuits the rays of the arc when welding or observing are electrically “hot”...
  • Page 4 SAFETY WELDING and CUTTING CYLINDER may explode SPARKS can if damaged. cause fire or explosion. 7.a. Use only compressed gas cylinders 6.a. Remove fire hazards from the welding area. containing the correct shielding gas for the If this is not possible, cover them to prevent process used and properly operating the welding sparks from starting a fire.
  • Page 5 SAFETY 5. Toujours porter des lunettes de sécurité dans la zone de PRÉCAUTIONS DE SÛRETÉ soudage. Utiliser des lunettes avec écrans lateraux dans les zones où lʼon pique le laitier. Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté...
  • Page 6 2004/108/EC. It was manufactured in conformity with a national standard that implements a harmonized standard: EN 60974-10 Electromagnetic Compatibility (EMC) Product Standard for Arc Welding Equipment. It is for use with other Lincoln Electric equipment. It is designed for industrial and professional use. Introduction All electrical equipment generates small amounts of electromagnetic emission.
  • Page 7 SAFETY Electromagnetic Compatibility (EMC) The size of the surrounding area to be considered will depend on the structure of the building and other activities that are taking place. The surrounding area may extend beyond the boundaries of the premises. Methods of Reducing Emissions Mains Supply Welding equipment should be connected to the mains supply according to the manufacturer’s recommenda- tions.
  • Page 8 Electric for advice or information about their use of our products. We respond to our customers based on the best information in our posses- sion at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such infor- mation or advice.

  • Page 9: Table Of Contents

    viii viii TABLE OF CONTENTS Page –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– Installation........................Section A Technical Specifications .......................A-1 Safety Precautions .......................A-2 Location ..........................A-2 High Frequency Protection ....................A-2 Weld cable Sizes ........................A-2 Analog Control Cable ......................A-3 Cable Connections and Control Cable Connector ...............A-4 Shielding Gas Connection ....................A-4 Wire Drive Configuration ......................A-5 Changing The Gun Receiver Bushing ................A-5 Procedure to Install Drive Rolls and Wire Guides ..............A-5...

  • Page 10: Installation

    INSTALLATION TECHNICAL SPECIFICATIONS – LN-25™ PRO DUAL POWER (K2614-1 & -3) INPUT VOLTAGE and CURRENT INPUT VOLTAGE ± 10% INPUT AMPERES 15-110 VDC RATED OUTPUT @ 104°F (40°C) DUTY CYCLE INPUT AMPERES 60% rating 100% rating GEARING - WIRE FEED SPEED RANGE-WIRE SIZE GMAW FCAW GEARING...

  • Page 11: Safety Precautions

    INSTALLATION SAFETY PRECAUTIONS The handle of the LN-25™ PRO DUAL POWER is intended for moving the wire feeder about the work place only. WARNING When suspending a wire feeder, insulate the ELECTRIC SHOCK CAN KILL. hanging device from the wire feeder enclosure. •...

  • Page 12: Analog Control Cable

    INSTALLATION ANALOG CONTROL CABLE K1797-XX he control cable connecting the wire feeder to the power source is specially made for the welding envi- ronment. The wire feeder power requires overcurrent protec- tion. Connect the wire feeder only to power sources where the overcurrent protection is no more than 15 amps.

  • Page 13: Shielding Gas Connection

    INSTALLATION CABLE CONNECTIONS SHIELDING GAS CONNECTION WARNING There is one circular connector for the gun trigger on the front of the LN-25™ PRO DUAL POWER. CYLINDER may explode if Picture Function Wiring damaged. 5-pin trigger Trigger • Keep cylinder upright and connector for Not used chained to support.

  • Page 14: Wire Drive Configuration

    INSTALLATION WIRE DRIVE CONFIGURATION 8. Connect the shielding gas hose to the new gun bushing, if required. (See Figure A.2) 9. Rotate the gun bushing until the thumb screw hole CHANGING RECEIVER aligns with the thumb screw hole in the feed plate. BUSHING Slide the gun receiver bushing into the wire drive and verify the thumb screw holes are aligned.

  • Page 15: Pressure Arm Adjustment

    INSTALLATION 1. Squeeze the release bar on the retaining collar and PRESSURE ARM ADJUSTMENT remove it from the spindle. WARNING 2. Place the spindle adapter on the spindle, aligning the spindle brake pin with the hole in the adapter. ELECTRIC SHOCK can kill. •...
  • Page 16 INSTALLATION POWER SOURCE TO LN-25™ PRO CABLE CONNECTION DIAGRAMS ACROSS THE ARC SET-UPS CC Power Sources with Output Terminals Always Hot (See Figure A.5) CC Power Source Classics Big Red’s Eagle 10,000 Plus Pipeliner 200D Without Wire Feed module SAE’s Without CV Adapter LN-25™...
  • Page 17 INSTALLATION CC Power Sources with Output Terminals always Hot Stud Connectors and no Remote/Local Switch. (See Figure A.7) FIGURE A.7 CC Power Source Classics Big Red’s Eagle 10,000 Plus Pipeliner 200D Without Wire Feed module SAE’s Without CV Adapter LN-25™ PRO SAE 400 with CV adapter Electrode DUAL POWER...
  • Page 18 • STT-II Work If present, place the power source Remote/Local Switch in the Remote position. Place CV/CC switch in the feeder in the "CV" position. Description K2614-1, -3 LN-25 PRO Dual Power KP1695-XX KP1696-XX Drive Roll Kit KP1697-XX K1797-xx Control Cable...

  • Page 19: Operation

    OPERATION SAFETY PRECAUTIONS GRAPHIC SYMBOLS THAT APPEAR ON THIS MACHINE OR IN THIS MANUAL READ AND UNDERSTAND ENTIRE SECTION BEFORE OPERATING MACHINE. INPUT POWER WARNING • ELECTRIC SHOCK CAN KILL. Unless using COLD FEED fea- ture, when feeding with gun trig- ger, the electrode and drive mechanism are always electri- cally energized and could...

  • Page 20: Definition Of Welding Terms

    OPERATION DEFINITION OF WELDING TERMS RECOMMENDED PROCESSES • GMAW • FCAW • Wire Feed Speed PROCESS LIMITATIONS • Constant Current • GMAW-P procedures must be qualified by the customer. • Constant Voltage • Across-the-Arc models are not recommended for stitch or GMAW spot welding.
  • Page 21 OPERATION Wire Feed Speed, CV Operation To preset the wire feed speed on CC power sources: When Across the Arc models are operated with CV 1. Set the Wire Feed Mode switch inside the LN- power sources, the wire feed speed will remain a con- 25™...

  • Page 22: Case Front Controls

    Work Clip Connection and cleaning on the gun liner, conduit and gun. Thermal LED Always use quality electrode, such as L-50 or L-56 Voltage Display from Lincoln Electric. Voltage LED Set-up Push Button 8. VOLTAGE DISPLAY Remote Voltage Control Knob (See displays in Item 1 for Voltage functions) 83% FUNCTIONALITY (for Innershield®...
  • Page 23 OPERATION POWER-UP SEQUENCE Wire Feed Speed Units All of the LEDʼs will briefly illuminate during power-up. Rotate the WFS knob to If the gun trigger is activated during power up, the left feeder will not operate until the gun trigger is released. “inches/minute”...

  • Page 24: Wfs Calibration With Digital Meters

    OPERATION WFS CALIBRATION WITH DIGITAL METERS (K2613-4, K2614-1, -2 & -3 ) To calibrate the wire feed speed, before entering the set-up menu: Set the display to the desired wire feed speed (exam- ple: 400 inches per minute) Measure the actual wire feed speed (example: 405 inches per minute) While in the set-up menu, adjust the calibration factor as follows:...

  • Page 25: Internal Controls

    OPERATION INTERNAL CONTROLS FIGURE B.2 ITEM DESCRIPTION 2 Step Trigger Interlock Switch CV / CC Switch Pressure Adjustment Arm Optional Timer Kit (See Accessories Section) Spool Retainer Spindle Brake Gun Bushing Thumb Screw for securing the welding Gun Socket Head Cap Screw for securing the Gun Bushing Drive Hubs Inlet Wire Guide Cold Feed Pushbutton...
  • Page 26 OPERATION CV/CC SWITCH INTERNAL CONTROLS DESCRIPTION (See Figure B.2) (See Figure B.2) The CV/CC switch sets the wire feed speed control method for the 2 Step - Trigger Interlock Switch wire feeder. The 2 Step - Trigger Interlock In the CV position, the wire feed switch changes the function of the speed remains constant during gun trigger.

  • Page 27: Constant Current Wire Welding

    For constant current operation, the power source is For these reasons, Lincoln Electric does NOT recom- set to deliver the specified current. The power source mend constant current semiautomatic welding for...

  • Page 28: Rear Controls

    B-10 B-10 OPERATION REAR CONTROLS: FIGURE B.4 ITEM DESCRIPTION Gas Purge Pushbutton Flow Meter Ball Flow Meter Valve Shielding Gas Inlet Electrode Lead Optional Water cooled gun connections Control Cable input LN-25™ PRO DUAL POWER...
  • Page 29 B-11 B-11 OPERATION 1. GAS PURGE PUSHBUTTON (See Figure B.4) The gas solenoid valve will energize but neither the power source output nor the drive motor will be turned on. The Gas Purge switch is useful for setting the proper flow rate of shielding gas. Flow meters should always be adjusted while the shielding gas is flowing.

  • Page 30: Accessories

    ACCESSORIES FACTORY INSTALLED EQUIPMENT • K1500-2 Gun Receiver Bushing. DRIVE ROLL KITS WIRE TYPE ELECTRODE SIZE KP KIT KP1696-030S Steel Wires: .023-.030 (0.6-0.8mm) .035 (0.9mm) KP1696-035S Includes: 2 V groove .045 (1.2mm) KP1696-045S drive rolls and inner .052 (1.4mm) KP1696-052S 1/16 (1.6mm) KP1696-1/16S wire guide.
  • Page 31 ACCESSORIES K2330-2 Timer Kit Includes: Panel and harness for adjusting preflow, burnback and postflow times. K2596-1 Aluminum Case Includes: a complete engi- neered aluminum case. K2596-2 Plastic Case Includes: a complete engi- neered plastic case K1796-xx AWG 1/0 Co-Axial Power Cable Includes: 1/0 Coaxial weld cable of length "xx".
  • Page 32 ACCESSORIES Includes: 14 pin to 14 pin wire Control Cable feeder to power source control K1797-xx cable. Includes: Adapter control cable for connecting a Lincoln 42 VAC wire feeder to a 24 Adapter for Competitive Power VAC Miller power source. K2335-1 Sources Requires the digital...
  • Page 33 ACCESSORIES K910-1 Ground Clamp Includes: One 300 Amp Ground Clamp. K910-2 Ground Clamp Includes: One 500 Amp Ground Clamp. Gun Receiver Bushing (for guns Includes: Gun receiver bush- K1500-1 with K466-1 Lincoln gun connec- ing, set screw and hex key tors;...
  • Page 34 ACCESSORIES Gun Receiver Bushing (for gun Includes: Gun receiver bush- K1500-4 with K466-3 Lincoln gun connec- ing with hose nipple, set screw tors; compatible with Miller® guns.) and hex key wrench. Includes: Gun receiver bushing K1500-5 Gun Receiver Bushing (compatible with hose nipple, 4 guide tubes, with Oxo®...
  • Page 35 ACCESSORIES INSTALLATION OF THE K590-6 WATER 4. Use a 5/16" nut driver to remove the screws holding the water cooling cover on the case front of the COOLING KIT inner module and on the rear of the case. WARNING ELECTRIC SHOCK can kill. •...

  • Page 36: Maintenance

    MAINTENANCE SAFETY PRECAUTIONS 5. Connect the shielding gas hose to flow meter refer- WARNING ence standard. ELECTRIC SHOCK can kill. 6. Orient the LN-25™ PRO DUAL POWER in a verti- • Turn the input power OFF at the cal position. welding power source before installation or changing drive 7.

  • Page 37: Troubleshooting

    HOW TO USE TROUBLESHOOTING GUIDE WARNING Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. For your safety and to avoid Electrical Shock, please observe all safety notes and precautions detailed throughout this manual.

  • Page 38: Digital Display Models Error Codes

    TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE RECOMMENDED (SYMPTOMS) CAUSE COURSE OF ACTION Digital Display Models Error Codes Description Possible Adjustments Fault Code 1. The wire drive motor has over- 1. Check that the electrode slides Err 81 Motor overload, long term.
  • Page 39 TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE RECOMMENDED (SYMPTOMS) CAUSE COURSE OF ACTION Output Problems The feeder does power up - no display, no 1. The work sense lead is disconnected or is 1. Connect the work sense lead to the work in cold feed.
  • Page 40 TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE RECOMMENDED (SYMPTOMS) CAUSE COURSE OF ACTION Output Problems Wire feed speed consistently oper- 1. The jumper lead for normal 1. Properly connect the normal ates at the wrong value. The speed speed/extra torque is connected speed/extra torque jumper.
  • Page 41 DIAGRAMS LN-25™ PRO DUAL POWER...
  • Page 42 DIMENSION PRINT LN-25™ PRO DUAL POWER...
  • Page 43 Do not touch electrically live parts or Keep flammable materials away. Wear eye, ear and body protection. • • • WARNING electrode with skin or wet clothing. Insulate yourself from work and • ground. Spanish No toque las partes o los electrodos Mantenga el material combustible Protéjase los ojos, los oídos y el •...
  • Page 44 Keep your head out of fumes. Turn power off before servicing. Do not operate with panel open or • • • WARNING Use ventilation or exhaust to guards off. • remove fumes from breathing zone. Spanish Los humos fuera de la zona de res- •...
  • Page 45 • World's Leader in Welding and Cutting Products • • Sales and Service through Subsidiaries and Distributors Worldwide • Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com...

This manual is also suitable for:

Ln-25 pro dual power im991-b

Table of Contents